1. jib (Verb) To lightly ridicule in a humourous and friendly or well meaning way. A familiar Salopian concept.
Should be used with extreme caution. Experience has shown that many people do not understand the concept of jib and as a result friendships can be broken.

2. jibby (adjective) a person of statement that displays jib.

"Why did she stress when i called her a gash-eater? It was just a bit of jib!"

Sorry I called your mum a worn-out shoe last night, I get a tad jibby after a few ales lad.